December weather forecastSan Cristóbal, Argentina
December weather for San Cristóbal, Argentina: December, the first month of the summer in San Cristóbal, is also a hot month, with an average temperature ranging between max 33.1°C (91.6°F) and min 20°C (68°F). December has the longest days of the year in San Cristóbal, Argentina, with an average of 14h and 6min of daylight.
December
Weather in December
December, the first month of the summer in San Cristóbal, is also a hot month, with an average temperature ranging between max 33.1°C (91.6°F) and min 20°C (68°F).Temperature
The average high-temperature during December is a still hot 33.1°C (91.6°F), almost matching the conditions of the preceding month. December nights present a stark temperature decrease to a pleasant 20°C (68°F).Heat index
December's average heat index is computed to be a very hot 37°C (98.6°F). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.Given the heat index, its values are aligned with shaded sites and gentle winds. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is achieved by amalgamating air temperature with the relative humidity readings. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. Rising body temperatures due to excess heat retention could signify impending heat disorders.
Humidity
In December, the average relative humidity in San Cristóbal is 53%.Rainfall
In San Cristóbal, in December, it is raining for 10.8 days, with typically 60mm (2.36") of accumulated precipitation. Throughout the year, in San Cristóbal, Argentina, there are 102.1 rainfall days, and 528mm (20.79") of precipitation is accumulated.Daylight
December has the longest days of the year in San Cristóbal, with an average of 14h and 6min of daylight.On the first day of the month, sunrise is at 05:55 and sunset at 19:53. On the last day of December, sunrise is at 06:06 and sunset at 20:10 -03.
Sunshine
The month with the most sunshine in San Cristóbal is December, with an average of 9.4h of sunshine.UV index
January, February and December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for average individuals.Note: An average maximum UV index of 7 in December leads to these recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
San Cristóbal, Argentina
- Average high temperature in December: 33.1°C
The warmest month (with the highest average high temperature) is January (34°C).
The month with the lowest average high temperature is July (17.8°C).
- Average low temperature in December: 20°C
The month with the highest average low temperature is January (21.8°C).
The coldest month (with the lowest average low temperature) is July (8.9°C).
Average pressure in December
San Cristóbal, Argentina
- Average pressure in December: 1008.9mbar
The month with the highest atmospheric pressure is July (1018.7mbar).
The month with the lowest atmospheric pressure is December (1008.9mbar).
Average wind speed in December
San Cristóbal, Argentina
- Average wind speed in December: 15.5km/h
The windiest month (with the highest average wind speed) is September (17.8km/h).
The calmest months (with the lowest average wind speed) are March and April (13.5km/h).
Average humidity in December
San Cristóbal, Argentina
- Average humidity in December: 53%
The month with the highest relative humidity is May (74%).
The month with the lowest relative humidity is January (51%).
Average rainfall in December
San Cristóbal, Argentina
- Average rainfall in December: 60mm
The wettest month (with the highest rainfall) is November (85mm).
The driest month (with the least rainfall) is August (13mm).
Average rainfall days in December
San Cristóbal, Argentina
- Average rainfall days in December: 10.8 days
The months with the highest number of rainy days are January, February and December (10.8 days).
The month with the least rainy days is August (4.1 days).
Average daylight in December /
Average sunshine in December
San Cristóbal, Argentina
- Average daylight in December: 14h and 6min
The month with the longest days is December (Average daylight: 14h and 6min).
The month with the shortest days is June (Average daylight: 10h and 12min).
- Average sunshine in December: 9h and 24min
The month with the most sunshine is December (Average sunshine: 9h and 24min).
The month with the least sunshine is May (Average sunshine: 7h and 12min).
Average sunshine days in December
San Cristóbal, Argentina
- Average sunshine days in December: 19.4 days
The month with the most sunshine days is August (25.8 days).
The month with the least sunshine days is February (16.1 days).
Average UV index in December
San Cristóbal, Argentina
- Average UV index in December: 7
The months with the highest UV index are January, February and December (UV index 7).
The months with the lowest UV index are May, June and July (UV index 4).
Average cloud cover in December
San Cristóbal, Argentina
- Average cloud cover in December: 22
The month with the most cloud cover is May (Cloud cover 38).
The months with the least cloud cover are January and August (Cloud cover 21).
Average visibility in December
San Cristóbal, Argentina
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (10km).
The months with the lowest visibility are May and July (9km).





